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Finding the Fourth Proportional to 7,708.96, 10,660.08 and 7,360.48

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Solution

The fourth proportional to 7,708.96, 10,660.08 and 7,360.48 is: 10,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.96 : 10,660.08 = 7,360.48 : x
  2. Step 2: Convert to fraction form
    7,708.96/10,660.08 = 7,360.48/x
  3. Step 3: Cross multiply
    7,708.96x = 10,660.08 × 7,360.48
  4. Step 4: Simplify right side
    7,708.96x = 78,463,305.64
  5. Step 5: Solve for x
    x = 78,463,305.64/7,708.96
  6. Step 6: Final answer
    x = 10,178.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.